***IMPORTANT UPDATE: Dr. Mazza’s private practice office has closed and she has relocated to Providence St. Joseph Medical Center. All patients are welcome to continue their care with Dr. Mazza at this new location. The address is 501 S. Buena Vista Street in Burbank, CA. The ENT clinic is located in 1 North in the Neurosciences Department. The phone number there is 818-847-4394. Appointment requests, prescription refills, surgery scheduling and all other non-urgent concerns should be directed to this number. For URGENT medical issues, please call 818-847-6049 and follow the prompts for Dr. Mazza’s urgent message line. We look forward to seeing you at the new Providence St. Joseph Medical Center ENT department!